5. Compare the autonomic and somatic motor systems in terms of the following par

Question

5. Compare the autonomic and somatic motor systems in terms of the following parameters: Differences Somatic Nervous System Autonomic Nervous System Sensory Input Control of Motor Output # of neurons in efferent pathways Neurotransmitter/ receptor at neuron target synapse Target tissue Effects on target tissue Peripheral components found outside the CNS 6. What is the meaning of ANS dual innervation? Examples? Name the organs that only have sympathetic innervation. 7. Explain why parasympathetic activation is local and discrete, and sympathetic activation can result in mass

Explanation / Answer

Difference. SNS. ANS

Sensory input. Sensory neurons. Involuntary

Control of motor output. Brain and spinal cord. Brain and involuntary

Number of neurons. Single. Double

Neurotransmitters. Acetylcholine. Epinephrine, Nor epi

Epinephrine, Aceylcholine

Target tissue. Skeletal muscles. Smooth,cardiac muscle

Effects. Contraction. Contraction,secretion etc

Peripheral comp. Sensory,motor nerves. Cranial nerves

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